Home / 15,107.86-22,662.06-5,247.46

Finding the Fourth Proportional to 15,107.86, 22,662.06 and 5,247.46

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Solution

The fourth proportional to 15,107.86, 22,662.06 and 5,247.46 is: 7,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.86 : 22,662.06 = 5,247.46 : x
  2. Step 2: Convert to fraction form
    15,107.86/22,662.06 = 5,247.46/x
  3. Step 3: Cross multiply
    15,107.86x = 22,662.06 × 5,247.46
  4. Step 4: Simplify right side
    15,107.86x = 118,918,253.37
  5. Step 5: Solve for x
    x = 118,918,253.37/15,107.86
  6. Step 6: Final answer
    x = 7,871.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.